condition mean min max Sterile Leaflet 9.4434 0.0 16.2212 Fertile Leaflet with Sori 0.331019 0.123197 0.51715 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.5299433333333333 0.0 1.58983 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.198203 0.0 0.336312